Lightweight Soil Mix For Roof Gardens

Lightweight volcanic aggregate such as pumice or lava.

Lightweight soil mix for roof gardens.

Rooflite offers a full line of lightweight soil products meticulously engineered for a diverse range of green roof applications and designed to optimize green roof performance. For the best green roof medium the growing media should contain the following. Coir is used if a peat free medium is required. An ideal rooflite soil for intensive green roofs rooftop gardens container gardens planters.

Granular lightweight aggregate that creates a natural root environment and can be used as an alternative to a synthetic drainage layer. The targeted saturated weight of roof top growing media should be 48 65 lb ft 3 3 4 kg m 3. Hydrocks the same material used in lightweight concrete provides the structural strength in the soil mix while the special blend of clay and erth food provides the microbes and nutrients to create a living soil able to breakdown contaminants cycle nutrients and feed the landscape. What was really exciting about rooflite is that they were interested in developing a high quality media mix to suit farming.

Lightweight planting mix is ideal for. Rooflite extensive the ideal growth medium for extensive green roof systems with hardy and drought tolerant vegetation. These aggregates make a good basis for a growing medium. Normally used at depth of 8 12 inches.

Intensive is a blend of screened sandy loam sedge peat or coir and leca 4 10mm. We provide growing media for both intensive and extensive roof gardens. These materials are available throughout the west coast of north america. The soil mix is 50 washed sand 40 hydrocell flakes and 10 composted organic matter by volume.

Use on roof gardens where a free draining friable material is required and where point loading is critical. It can also be used as a bedding layer when pavers or patios are specified. Fytogreen australia s lightweight roof garden system works to the following depth and saturated weight guidelines. This soil mix consists of fully decomposed organic compost lava sand texas greensand and a soil sand mixture all of which is specially formulated to create the ideal organic growing environment please read the vegetable gardening best practices document and view the 4 year vegetable garden timeline.

Saturated bulk density is 1200 kg m3 trees large to 12 metres. Supports growth of ground covers perennials ornamental grasses shrubs trees. It s a huge deal you don t see that often.